What is 18/30 reduced to

18/30, is reduced to 9/15 then 3/5.

9/15 first, because 18 and 30 are both divisible by 2.

18:2=9 and 30:2=15.

Then how I got 3/5, was because both 9 and 15 are divisible by 3.

9:3=3 and 15:3=5 so the final answer that you are looking for, is 3/5.